Overview. Complex carbohydrates are made up of sugar molecules that are strung together in long, complex chains. Complex carbohydrates are found in foods such as peas, beans, whole grains, and vegetables.
Confidence votes 11.2K. Taught College level A&P for 27 years. The lens in the human eye is a convex lens, but it is flexible and when it is acted on by the ciliary muscle around it, the lens can be flattened to change the focus, or, when the muscle is relaxed, the lens can assume a more spherical shape.
But first, here is some information about cloudy eyes. The lens of the eye is a solid disc located in the centre of the eye. It sits right behind the iris (the coloured part) of the eye. You cannot normally see it because it is entirely transparent, like glass.